logo Calflora  Illustrated Plant List 
Lanphere-Christensen Dunes
North Coast; Eureka to Samoa access.

Humboldt County

Barker, Linda M.  / G.F. Hrusa checklists  (1976-01-01)

Record Detail Nearby Surveys What Grows Here?
158 PLANTS
Abies grandis    Grand fir
native
Tree

PINACEAE

Abies grandis
2022 Nicole Forte
Abies grandis
2022 R.A. Chasey
Abies grandis
2022 Nicole Forte

Abronia latifolia    Coastal sand verbena,  Sand verbena,  Yellow sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia latifolia
2016 Steve Matson
Abronia latifolia
2016 Steve Matson
Abronia latifolia
2016 Steve Matson

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2022 Andy Ford
Achillea millefolium
2020 Bob Sweatt
Achillea millefolium
2018 Gary McDonald

Agoseris grandiflora    Bigflower agoseris,  California dandelion,  Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora
2014 Steve Matson
Agoseris grandiflora
2014 Steve Matson
Agoseris grandiflora
2014 Steve Matson

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
invasive non-native
Annual grass

POACEAE

Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2005 Steve Matson

Aira praecox    Yellow hairgrass
invasive non-native
Annual grass

POACEAE

Aira praecox
2018 Ken Hickman
Aira praecox
2022 John Rawlings
Aira praecox
2010 National Park Service

Alnus rubra    Oregon alder,  Red alder
native
Tree, Shrub

BETULACEAE

Alnus rubra
2023 Michael Perlmutter
Alnus rubra
2009 Toni Corelli
Alnus rubra
2021 R.A. Chasey

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

Ambrosia chamissonis
2016 Steve Matson
Ambrosia chamissonis
2016 Steve Matson
Ambrosia chamissonis
2016 Steve Matson

Ammophila arenaria    Beachgrass,  European beach grass,  European beachgrass
invasive non-native
Perennial grass

POACEAE

Ammophila arenaria
2016 Steve Matson
Ammophila arenaria
2016 Steve Matson
Ammophila arenaria
2016 Steve Matson

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
2020 Bob Sweatt
Anaphalis margaritacea
2021 Ken Lunders
Anaphalis margaritacea
2014 James Gonsman

Anthoxanthum odoratum    Sweet vernal grass,  Sweet vernalgrass
invasive non-native
Annual, Perennial grass

POACEAE

Anthoxanthum odoratum
2017 Steve Matson
Anthoxanthum odoratum
2017 Steve Matson
Anthoxanthum odoratum
2017 Steve Matson

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2021 David popp

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2021 Cynthia Powell
Arbutus menziesii
2021 R.A. Chasey
Arbutus menziesii
2021 Hunter Breck

Arctostaphylos columbiana    Hairy manzanita,  Redwood manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos columbiana
2020 R.A. Chasey
Arctostaphylos columbiana
2023 Dana York
Arctostaphylos columbiana
2020 R.A. Chasey

Arctostaphylos uva-ursi f. coactilis    Bearberry manzanita,  Kinnikinnick
native
Shrub

ERICACEAE

Arctostaphylos uva-ursi f. coactilis
2016 Steve Matson
Arctostaphylos uva-ursi f. coactilis
2016 Steve Matson
Arctostaphylos uva-ursi f. coactilis
2016 Steve Matson

Armeria maritima ssp. californica    California sea pink,  California seapink,  Sea pink or thrift
native
Perennial herb

PLUMBAGINACEAE

Armeria maritima ssp. californica
2022 R.A. Chasey
Armeria maritima ssp. californica
2017 Mary Sue Ittner
Armeria maritima ssp. californica
2019 Amy Rapport

Artemisia pycnocephala    Beach sagewort,  Coastal sagewort
native
Perennial herb

ASTERACEAE

Artemisia pycnocephala
2019 Patrick Furtado
Artemisia pycnocephala
2021 Zoya Akulova-Barlow
Artemisia pycnocephala
2023 Cynthia Powell

Aster chilensis    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Aster chilensis
2020 Suzanne L. Weakley
Aster chilensis
2013 Arcangelo Wessells
Aster chilensis
2018 Stacie Wolny

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2022 Ryan O'Dell
Baccharis pilularis
2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
2018 Cynthia Powell

Bromus diandrus    Bromegrass,  Ripgut brome,  Ripgut grass
invasive non-native
Annual grass

POACEAE

Bromus diandrus
2022 Ron Vanderhoff
Bromus diandrus
2021 Richard Spjut
Bromus diandrus
2022 Ron Vanderhoff

Bromus hordeaceus    Soft brome,  Soft chess
invasive non-native
Annual grass

POACEAE

Bromus hordeaceus
2023 Ron Vanderhoff
Bromus hordeaceus
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald

Buddleja davidii    Butterfly bush,  Summer lilac
invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Buddleja davidii
2021 Ron Vanderhoff
Buddleja davidii
2021 Ron Vanderhoff
Buddleja davidii
2021 Ron Vanderhoff

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
2021 Friends of Five Creeks volunteers
Cakile edentula
2006 Louis-M. Landry
Cakile edentula
2010 Louis-M. Landry

Cakile maritima    European searocket,  Sea rocket
invasive non-native
Annual herb

BRASSICACEAE

Cakile maritima
2019 Diane Etchison
Cakile maritima
2021 R.A. Chasey
Cakile maritima
2019 Diane Etchison

Calypso bulbosa    Fairy slipper,  Fairyslipper orchid
native
Perennial herb

ORCHIDACEAE

Calypso bulbosa
2023 Stephanie Penn
Calypso bulbosa
2022 Marcus Tamura
Calypso bulbosa
2020 Mary Ann Machi

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
2020 David Greenberger
Calystegia soldanella
2021 Hayley Ross
Calystegia soldanella
2021 Hayley Ross

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
2019 Patrick Furtado
Camissonia cheiranthifolia
2021 Meghan Lindt
Camissonia cheiranthifolia
2021 Rosaleen Murphy

Camissonia strigulosa    Contorted primrose,  Sandysoil suncup,  Strigose sun cup
native
Annual herb

ONAGRACEAE

Camissonia strigulosa
2015 Diane Etchison
Camissonia strigulosa
2011 Michael Mitchell
Camissonia strigulosa
2015 Diane Etchison

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2008 Steve Matson

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

Cardionema ramosissimum
2023 Ron Vanderhoff
Cardionema ramosissimum
2015 Michael Mitchell
Cardionema ramosissimum
2019 John Rawlings

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
2017 Steve Matson
Carex obnupta
2017 Steve Matson
Carex obnupta
2017 Steve Matson

Castilleja ambigua ssp. humboldtiensis    Humboldt bay owl's clover
native
Annual herb (hemiparasitic)

OROBANCHACEAE

Castilleja ambigua ssp. humboldtiensis
2017 Steve Matson
Castilleja ambigua ssp. humboldtiensis
2017 Steve Matson
Castilleja ambigua ssp. humboldtiensis
2017 Steve Matson

Castilleja exserta ssp. latifolia    Purple owl's clover,  Wideleaf indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. latifolia
2022 Julia Larke
Castilleja exserta ssp. latifolia
2022 R.A. Chasey
Castilleja exserta ssp. latifolia
2020 Mary Ann Machi

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2023 R.A. Chasey

Chenopodium album    Lamb's quarters,  Lambs quarters,  White goosefoot
non-native
Annual herb

CHENOPODIACEAE

Chenopodium album
2022 Ron Vanderhoff
Chenopodium album
2014 Toni Corelli
Chenopodium album
2022 Ron Vanderhoff

Chenopodium polyspermum    Manyseed goosefoot
non-native
Annual herb

CHENOPODIACEAE


Chimaphila umbellata    Blake's prince's pine,  Pipsissewa,  Prince's Pine
native
Perennial herb

ERICACEAE

Chimaphila umbellata
2015 Steve Matson
Chimaphila umbellata
2015 Steve Matson
Chimaphila umbellata
2019 Steve Matson

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2017 James Bailey
Cirsium vulgare
2020 Bob Sweatt
Cirsium vulgare
2020 Bob Sweatt

Claytonia exigua    Little spring beauty,  Serpentine springbeauty
native
Annual herb

MONTIACEAE

Claytonia exigua
2019 Matt Berger
Claytonia exigua
2022 BOB CASE
Claytonia exigua
2022 Mike Russler

Claytonia perfoliata    Miners lettuce,  Miner's lettuce,  Rooreh (Ohlone)
native
Annual herb

MONTIACEAE

Claytonia perfoliata
2008 Steve Matson
Claytonia perfoliata
2019 Gary McDonald
Claytonia perfoliata
2020 Ron Vanderhoff

Cortaderia selloana    Uruguayan pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia selloana
2022 Ken-ichi Ueda
Cortaderia selloana
2023 Randall English
Cortaderia selloana
2022 Ron Vanderhoff

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2018 Adam Chasey

Cryptantha leiocarpa    Coast cryptantha,  Coastal cryptantha,  Popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha leiocarpa
2017 Steve Matson
Cryptantha leiocarpa
2017 Steve Matson
Cryptantha leiocarpa
2017 Steve Matson

Cytisus scoparius    Scotch broom,  Scotchbroom
invasive non-native
Shrub

FABACEAE

Cytisus scoparius
2016 Steve Matson
Cytisus scoparius
2016 Steve Matson
Cytisus scoparius
2016 Steve Matson

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata
2018 Jennifer Mo
Dactylis glomerata
2020 Jim Richards
Dactylis glomerata
2017 Gary McDonald

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
2019 Diane Etchison
Daucus pusillus
2022 David Wolfson
Daucus pusillus
2021 Ken Lunders

Deschampsia cespitosa    California hairgrass,  Tufted hair grass,  Tufted hairgrass
native
Perennial grass

POACEAE

Deschampsia cespitosa
2022 Justin Luong
Deschampsia cespitosa
2022 Dianne Lake
Deschampsia cespitosa
2022 Dianne Lake

Eleocharis macrostachya    Common spikerush,  Creeping spike rush,  Pale spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis macrostachya
2023 Ron Vanderhoff
Eleocharis macrostachya
2023 Ron Vanderhoff
Eleocharis macrostachya
2003 Steve Matson

native
Perennial herb

ONAGRACEAE

Epilobium angustifolium ssp. circumvagum
2022 Mike Russler
Epilobium angustifolium ssp. circumvagum
2022 Mike Russler
Epilobium angustifolium ssp. circumvagum
2022 Mike Russler

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2021 Jamie Spielmann

Erechtites glomerata    Cutleaf burnweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Erechtites glomerata
2015 Lynn Overtree
Erechtites glomerata
2023 R.A. Chasey
Erechtites glomerata
2021 Mary Conway

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2023 Toni Corelli
Erigeron glaucus
2019 James Gonsman
Erigeron glaucus
2018 Asa B Spade

Eriogonum latifolium    Coast buckwheat,  Coast eriogonum,  Seaside buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum latifolium
2016 Suzanne L. Weakley
Eriogonum latifolium
2021 Dylan Neubauer
Eriogonum latifolium
2019 Patrick Furtado

Erysimum menziesii    Menzies' wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum menziesii
2023 Dana York
Erysimum menziesii
2019 Saskia Raether
Erysimum menziesii
2023 Mary Conway

Festuca arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
2022 Cynthia Powell
Festuca arundinacea
2020 Robert Steers
Festuca arundinacea
2017 MCOSD EDRR

Festuca occidentalis    Western fescue
native
Perennial grass

POACEAE

Festuca occidentalis
2011 Steve Matson
Festuca occidentalis
2011 Steve Matson
Festuca occidentalis
2011 Steve Matson

Festuca rubra    Red fescue
native
Perennial grass

POACEAE

Festuca rubra
2012 Ove Anderson
Festuca rubra
2022 John Rawlings
Festuca rubra
2018 Alexandra Kookootsedes

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

Fragaria chiloensis
2016 Teresa R Spade, AICP
Fragaria chiloensis
2019 Patrick Furtado
Fragaria chiloensis
2020 Carlos Davidson

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
2020 Ron Vanderhoff
Galium aparine
2005 Steve Matson
Galium aparine
2020 Ron Vanderhoff

Galium triflorum    Fragrant bedstraw,  Sweet bedstraw,  Sweet scented bedstraw
native
Annual herb

RUBIACEAE

Galium triflorum
2022 Ken-ichi Ueda
Galium triflorum
2022 Ken-ichi Ueda
Galium triflorum
2018 Ken Hickman

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
2004 Michael Charters
Garrya elliptica
2020 John Rawlings
Garrya elliptica
2020 Eliezer Margolis

Gaultheria shallon    Salal
native
Shrub

ERICACEAE

Gaultheria shallon
2016 Steve Matson
Gaultheria shallon
2016 Steve Matson
Gaultheria shallon
2016 Steve Matson

Gilia millefoliata    Manyleaf gilia
rare native
Annual herb

POLEMONIACEAE

Gilia millefoliata
2019 Wyatt Dooley
Gilia millefoliata
2023 Dana York
Gilia millefoliata
2016 Teresa R Spade, AICP

Glehnia littoralis ssp. leiocarpa    American glehnia,  American silvertop
rare native
Perennial herb

APIACEAE

Glehnia littoralis ssp. leiocarpa
2013 Dana York
Glehnia littoralis ssp. leiocarpa
2013 Dana York
Glehnia littoralis ssp. leiocarpa
2020 Steve Conger

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre
2019 Ron Vanderhoff
Gnaphalium palustre
2005 Steve Matson
Gnaphalium palustre
2019 Ron Vanderhoff

Gnaphalium purpureum    Featherweed
native
Perennial herb

ASTERACEAE

Gnaphalium purpureum
2019 Gary McDonald
Gnaphalium purpureum
2021 Zoya Akulova-Barlow
Gnaphalium purpureum
2019 Gary McDonald

Gnaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Gnaphalium ramosissimum
2021 R.A. Chasey
Gnaphalium ramosissimum
2021 R.A. Chasey
Gnaphalium ramosissimum
2017 Gary McDonald

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
2017 Gary McDonald
Gnaphalium stramineum
2017 Gary McDonald
Gnaphalium stramineum
2017 Gary McDonald

Goodyera oblongifolia    Rattlesnake plantain,  Western rattlesnake plantain
native
Perennial herb

ORCHIDACEAE

Goodyera oblongifolia
2020 Bob Sweatt
Goodyera oblongifolia
2019 Glenn Fine
Goodyera oblongifolia
2019 Julie A. Kierstead

Hedera helix    English ivy
invasive non-native
Vine, Shrub

ARALIACEAE

Hedera helix
2019 Claire Mallen
Hedera helix
2017 Allison Titus
Hedera helix
2022 Catherine Talbot

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
2003 Steve Matson
Hieracium albiflorum
2021 Doug Allshouse
Hieracium albiflorum
2020 Bob Sweatt

Hierochloe occidentalis    Califonria sweet grass,  Vanilla grass
native
Perennial grass

POACEAE

Hierochloe occidentalis
2022 John Rawlings
Hierochloe occidentalis
2022 R.A. Chasey
Hierochloe occidentalis
2022 John Rawlings

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley

Hydrocotyle ranunculoides    Floating marsh pennywort,  Floating marshpennywort,  Marsh pennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle ranunculoides
2019 R.A. Chasey
Hydrocotyle ranunculoides
2023 R.A. Chasey
Hydrocotyle ranunculoides
2017 Michael Mitchell

Hypochaeris radicata    Hairy cats ear,  Hairy catsear,  Rough cat's ear
invasive non-native
Perennial herb

ASTERACEAE

Hypochaeris radicata
2024 Ron Vanderhoff
Hypochaeris radicata
2017 Gary McDonald
Hypochaeris radicata
2016 Michael Mitchell

Ilex aquifolium    English holly,  Holly
invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Ilex aquifolium
2021 Cynthia Powell
Ilex aquifolium
2021 Donald Burk
Ilex aquifolium
2019 Tatiana Manzanillo

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
2022 Steve Matson
Juncus bufonius
2022 Steve Matson
Juncus bufonius
2022 Steve Matson

Juncus effusus var. brunneus    Coast or bog rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus var. brunneus
2004 Steve Matson

Juncus falcatus var. falcatus    Falcate rush
native
Perennial grasslike herb

JUNCACEAE

Juncus falcatus var. falcatus
2013 Vernon Smith
Juncus falcatus var. falcatus
2004 Steve Matson
Juncus falcatus var. falcatus
2009 Neal Kramer

Juncus lesueurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lesueurii
2008 Toni Corelli
Juncus lesueurii
2008 Toni Corelli
Juncus lesueurii
2008 Toni Corelli

Lathyrus littoralis    Beach pea,  Silky beach pea
native
Perennial herb

FABACEAE

Lathyrus littoralis
2017 Steve Matson
Lathyrus littoralis
2017 Steve Matson
Lathyrus littoralis
2020 Steve Conger

Layia carnosa    Beach layia,  Beach tidytips
rare native
Annual herb

ASTERACEAE

Layia carnosa
2020 David Greenberger
Layia carnosa
2019 Scott Yarger
Layia carnosa
2016 Steve Matson

Leontodon taraxacoides    Hawkbit
non-native
Annual herb

ASTERACEAE

Leontodon taraxacoides
2008 Steve Matson
Leontodon taraxacoides
2008 Steve Matson
Leontodon taraxacoides
2023 Alaine Arslan

Leymus mollis ssp. mollis    American dune grass, sea lyme grass
native
Perennial grass

POACEAE

Leymus mollis ssp. mollis
2021 Ramona Robison
Leymus mollis ssp. mollis
2021 Ramona Robison
Leymus mollis ssp. mollis
2009 Toni Corelli

Linaria canadensis    Canada toadflax
native
Annual, Biennial herb

PLANTAGINACEAE

Linaria canadensis
2019 Mary Conway
Linaria canadensis
2019 Mary Conway
Linaria canadensis
2016 Keir Morse

native
Perennial herb

LINNAEACEAE

Linnaea borealis var. longiflora
2020 R.A. Chasey
Linnaea borealis var. longiflora
2008 Keir Morse
Linnaea borealis var. longiflora
2009 Sierra Pacific Industries

Lolium perenne    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium perenne
2019 Ron Vanderhoff
Lolium perenne
2017 Gary McDonald
Lolium perenne
2021 Ron Vanderhoff

Lonicera involucrata    Coast twinberry,  Twin berry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata
2021 Suzanne L. Weakley
Lonicera involucrata
2020 Susan McDougall
Lonicera involucrata
2020 Camille Nowell

Lotus micranthus    Hill lotus
native
Annual herb

FABACEAE

Lotus micranthus
2008 Steve Matson
Lotus micranthus
2005 Steve Matson
Lotus micranthus
2008 Steve Matson

Lotus purshianus var. purshianus    American bird's foot trefoil,  American trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
2015 Steve Matson
Lotus purshianus var. purshianus
2015 Steve Matson
Lotus purshianus var. purshianus
2015 Steve Matson

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
2019 Patrick Furtado
Lupinus arboreus
2014 Steve Matson
Lupinus arboreus
2020 Steve Matson

Lupinus bicolor    Annual lupine,  Bicolored lupine,  Miniature lupine
native
Annual, Perennial herb

FABACEAE

Lupinus bicolor
2021 Ken Lunders
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus littoralis    Seashore lupine
native
Perennial herb

FABACEAE

Lupinus littoralis
2022 Mary Sue Ittner
Lupinus littoralis
2008 Gerald D. Carr
Lupinus littoralis
2008 Gerald D. Carr

Luzula comosa    Common wood rush,  Hairy wood rush,  Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa
2019 Matt Berger
Luzula comosa
2021 Steve Matson
Luzula comosa
2021 Steve Matson

Lysichiton americanum    American skunkcabbage,  Yellow skunk cabbage
native
Perennial herb

ARACEAE

Lysichiton americanum
2011 Paul Preston
Lysichiton americanum
2016 Steve Matson
Lysichiton americanum
2016 Steve Matson

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
2013 Ron Vanderhoff
Madia sativa
2021 David Wolfson
Madia sativa
2021 Zoya Akulova-Barlow

Maianthemum dilatatum    False lily of the valley,  False lily of the vally,  Pacific may lily
native
Perennial herb

RUSCACEAE

Maianthemum dilatatum
2020 Doug Allshouse
Maianthemum dilatatum
2020 Susan McDougall
Maianthemum dilatatum
2022 Dee Shea Himes

Myrica californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Myrica californica
2019 Michelle Karle
Myrica californica
2020 Kim Cabera
Myrica californica
2020 Susan McDougall

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
2019 Marisa Persaud
Navarretia squarrosa
2019 Patrick Furtado
Navarretia squarrosa
2022 Suzanne L. Weakley

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
2021 Don Hollander
Oenanthe sarmentosa
2021 Ron Vanderhoff
Oenanthe sarmentosa
2021 Rosaleen

Parentucellia viscosa    Yellow glandweed,  Yellow parentucellia
invasive non-native
Annual herb

OROBANCHACEAE

Parentucellia viscosa
2021 Janice Kuch
Parentucellia viscosa
2022 Donald Burk
Parentucellia viscosa
2017 Eric Wrubel

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
2008 Steve Matson
Pentagramma triangularis ssp. triangularis
2008 Steve Matson
Pentagramma triangularis ssp. triangularis
2019 Gary McDonald

Picea sitchensis    Sitka spruce
native
Tree

PINACEAE

Picea sitchensis
2018 Richard Spjut
Picea sitchensis
2022 R.A. Chasey
Picea sitchensis
2021 Julie A. Kierstead

native
Tree

PINACEAE

Pinus contorta ssp. contorta
2019 Wyatt Dooley
Pinus contorta ssp. contorta
2022 R.A. Chasey
Pinus contorta ssp. contorta
2022 R.A. Chasey

Piperia elegans    Coast piperia,  Elegant piperia,  Elegant rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elegans
2018 Alexandra Kookootsedes
Piperia elegans
2023 Steve Conger
Piperia elegans
2022 Hunter Breck

Piperia transversa    Mountain piperia,  Royal rein orchid,  Flat Spurred Piperia
native
Perennial herb

ORCHIDACEAE

Piperia transversa
2015 Steve Matson
Piperia transversa
2015 Steve Matson
Piperia transversa
2005 Keir Morse

Pittosporum tenuifolium    Short leaf box,  Tawhiwhi
non-native
Tree

PITTOSPORACEAE

Pittosporum tenuifolium
2021 MCOSD EDRR
Pittosporum tenuifolium
2015 Zoya Akulova
Pittosporum tenuifolium
2013 Robert Steers/NPS

Plantago erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

Plantago erecta
2008 Steve Matson
Plantago erecta
2022 Steve Matson
Plantago erecta
2022 Steve Matson

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2019 Joe Engelbrecht
Plantago lanceolata
2021 Ken Lunders

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
2021 Ron Vanderhoff
Poa annua
2022 John Rawlings
Poa annua
2015 Richard Chasey

Poa confinis    Beach blue grass,  Coastline bluegrass
native
Perennial grass

POACEAE

Poa confinis
2021 Chris Brant
Poa confinis
2021 Chris Brant
Poa confinis
2022 John Rawlings

Poa douglasii    Douglas bluegrass,  Douglas' bluegrass,  Maritime bluegrass
native
Perennial grass

POACEAE

Poa douglasii
2011 Toni Corelli
Poa douglasii
2014 Alice Cumings
Poa douglasii
2011 Toni Corelli

Poa pratensis    Kentucky blue grass,  Kentucky bluegrass
invasive non-native
Perennial grass

POACEAE

Poa pratensis
2013 Andrea Williams
Poa pratensis
2008 Keir Morse
Poa pratensis
2013 Andrea Williams

Polygonum paronychia    Beach knotweed,  Dune knotweed
native
Perennial herb

POLYGONACEAE

Polygonum paronychia
2016 Steve Matson
Polygonum paronychia
2016 Steve Matson
Polygonum paronychia
2016 Steve Matson

Polypodium glycyrrhiza    Licorice fern
native
Fern

POLYPODIACEAE

Polypodium glycyrrhiza
2014 BOB CASE
Polypodium glycyrrhiza
2022 Mary Conway
Polypodium glycyrrhiza
2014 BOB CASE

Polypodium scouleri    Leather fern,  Leather leaf fern,  Leathery polypody
native
Fern

POLYPODIACEAE

Polypodium scouleri
2018 Gregory Arena
Polypodium scouleri
2021 R.A. Chasey
Polypodium scouleri
2022 David Strauch

Polypogon maritimus    Mediterranean beard grass,  Mediterranean rabbitsfoot grass
non-native
Annual grass

POACEAE

Polypogon maritimus
2022 David popp
Polypogon maritimus
2020 Diana Wahl
Polypogon maritimus
2009 Keir Morse

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
2021 Julie A. Kierstead
Polystichum munitum
2022 Jerry Murray
Polystichum munitum
2011 Toni Corelli

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
2022 R.A. Chasey
Potentilla anserina ssp. pacifica
2021 Charles Russell
Potentilla anserina ssp. pacifica
2022 R.A. Chasey

Pseudotsuga menziesii var. menziesii    Douglas fir,  Douglas spruce,  False hemlock
native
Tree

PINACEAE

Pseudotsuga menziesii var. menziesii
2020 David Krause
Pseudotsuga menziesii var. menziesii
2022 David popp
Pseudotsuga menziesii var. menziesii
2024 David popp

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2022 Bob Sweatt

Ranunculus muricatus    Buttercup,  Pricklefruit buttercup,  Spiny buttercup
non-native
Annual, Perennial herb

RANUNCULACEAE

Ranunculus muricatus
2023 R.A. Chasey
Ranunculus muricatus
2023 Alaine Arslan
Ranunculus muricatus
2009 Julie A. Kierstead

Ranunculus repens    Creeping buttercup,  Crowfoot, creeping buttercup
invasive non-native
Perennial herb

RANUNCULACEAE

Ranunculus repens
2022 Bob Sweatt
Ranunculus repens
2021 Norma Solarz
Ranunculus repens
2017 Elliot Gunnison

Raphanus raphanistrum    Jointed charlock,  Painted charlock,  Wild radish
non-native
Annual, Perennial herb

BRASSICACEAE

Raphanus raphanistrum
2018 Angelique Herman
Raphanus raphanistrum
2016 Camille Nowell
Raphanus raphanistrum
2018 Angelique Herman

Rhamnus purshiana    Cascara buckthorn
native
Tree, Shrub

RHAMNACEAE

Rhamnus purshiana
2017 Steve Matson
Rhamnus purshiana
2017 Steve Matson
Rhamnus purshiana
2017 Steve Matson

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2020 Talila Golan
Ribes sanguineum var. glutinosum
2018 John Rusk
Ribes sanguineum var. glutinosum
2018 Hunter Breck

Rubus spectabilis    Salmon berry,  Salmonberry
native
Shrub

ROSACEAE

Rubus spectabilis
2017 James Gonsman
Rubus spectabilis
2022 Zoya Akulova-Barlow
Rubus spectabilis
2016 Steve Matson

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2018 Ken Lunders
Rubus ursinus
2019 Ron Vanderhoff
Rubus ursinus
2015 Kelli Kallenborn

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
2017 Gary McDonald
Rumex acetosella
2008 Steve Matson
Rumex acetosella
2019 Patrick Furtado

Rumex crispus    Curly dock,  Curly leaved dock,  Rhubarb
invasive non-native
Perennial herb

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2023 Ron Vanderhoff

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
2019 Patrick Furtado
Rumex salicifolius var. crassus
2008 Toni Corelli
Rumex salicifolius var. crassus
2021 Cynthia Powell

Salix hookeriana    Coastal willow,  Dune willow
native
Tree, Shrub

SALICACEAE

Salix hookeriana
2022 R.A. Chasey
Salix hookeriana
2022 John Rawlings
Salix hookeriana
2019 Susan McDougall

Salix lucida ssp. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lucida ssp. lasiandra
2021 Alice Cummings
Salix lucida ssp. lasiandra
2021 Diane Renshaw
Salix lucida ssp. lasiandra
2021 Ken Hickman

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2023 Steve Conger
Sanicula crassicaulis
2023 Steve Conger
Sanicula crassicaulis
2021 Steve Laymon

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Satureja douglasii
2019 Gary McDonald
Satureja douglasii
2012 Gary McDonald
Satureja douglasii
2012 Gary McDonald

Scirpus cernuus    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Scirpus cernuus
2021 R.A. Chasey
Scirpus cernuus
2023 R.A. Chasey
Scirpus cernuus
2018 Ron Vanderhoff

Scrophularia californica ssp. californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica
2020 Bob Sweatt
Scrophularia californica ssp. californica
2006 Steve Matson
Scrophularia californica ssp. californica
2019 Cynthia Powell

Senecio vulgaris    Common groundsel,  Old man in the spring,  Old man of spring
non-native
Annual herb

ASTERACEAE

Senecio vulgaris
2017 Barbara Boethling
Senecio vulgaris
2019 Ron Vanderhoff
Senecio vulgaris
2021 Toni Corelli

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
2019 Mary Wloch
Silene gallica
2017 Gary McDonald
Silene gallica
2019 Gary McDonald

native
Perennial herb

ASTERACEAE

Solidago spathulata ssp. spathulata
2016 Steve Matson
Solidago spathulata ssp. spathulata
2016 Steve Matson
Solidago spathulata ssp. spathulata
2016 Steve Matson

Soliva sessilis    Common soliva,  Field burrweed,  South american soliva
non-native
Annual herb

ASTERACEAE

Soliva sessilis
2022 Diana Wahl
Soliva sessilis
2019 Abbot Chambers
Soliva sessilis
2019 Abbot Chambers

Sonchus oleraceus    Common sow thistle,  Common sowthistle,  Sow thistle
non-native
Annual herb

ASTERACEAE

Sonchus oleraceus
2019 Diane Etchison
Sonchus oleraceus
2015 Jesse Rorabaugh
Sonchus oleraceus
2024 Ron Vanderhoff

Spiraea douglasii    Douglas spiraea,  Douglas' spirea,  Douglas's spirea
native
Shrub

ROSACEAE

Spiraea douglasii
2019 Steve Matson
Spiraea douglasii
2019 Steve Matson
Spiraea douglasii
2019 Steve Matson

Spiranthes romanzoffiana    Hooded ladies tresses,  Hooded ladies' tresses,  Ladies' tresses
native
Perennial herb

ORCHIDACEAE

Spiranthes romanzoffiana
2018 Bill Haley
Spiranthes romanzoffiana
2003 Steve Matson
Spiranthes romanzoffiana
2003 Steve Matson

Stachys chamissonis    Coast hedge nettle,  Coastal hedgenettle
native
Perennial herb

LAMIACEAE

Stachys chamissonis
2021 David Wolfson
Stachys chamissonis
2021 Toni Corelli
Stachys chamissonis
2013 James Gonsman

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
2018 Gary McDonald
Stellaria media
2018 Gary McDonald
Stellaria media
2015 Diane Etchison

Tanacetum camphoratum    Dune tansy
native
Perennial herb

ASTERACEAE

Tanacetum camphoratum
2019 Patrick Furtado
Tanacetum camphoratum
2020 Joerg Lohse
Tanacetum camphoratum
2017 Steve Matson

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2020 Ron Vanderhoff
Toxicodendron diversilobum
2019 Randy Huey
Toxicodendron diversilobum
2021 Bryant Baker

Trifolium dubium    Shamrock clover,  Little Hop Clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
2018 Stacie Wolny
Trifolium dubium
2022 Dana York
Trifolium dubium
2017 MCOSD EDRR

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
2005 Steve Matson
Trifolium microcephalum
2016 Michael Mitchell
Trifolium microcephalum
2019 Ron Vanderhoff

Trifolium microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2023 R.A. Chasey

Trifolium wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii
2003 Steve Matson
Trifolium wormskioldii
2003 Steve Matson
Trifolium wormskioldii
2003 Steve Matson

Tsuga heterophylla    Western hemlock
native
Tree

PINACEAE

Tsuga heterophylla
2018 Claire Brown
Tsuga heterophylla
2010 Keir Morse
Tsuga heterophylla
2016 Zoya Akulova

Urtica dioica ssp. gracilis    American stinging nettle,  California nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. gracilis
2020 Bob Sweatt
Urtica dioica ssp. gracilis
2007 Toni Corelli
Urtica dioica ssp. gracilis
2021 Chuck Kozak

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
2017 Steve Matson
Vaccinium ovatum
2017 Steve Matson
Vaccinium ovatum
2017 Steve Matson

Vicia hirsuta    Hairy vetch,  Tiny vetch,  Vetch
non-native
Annual herb, Vine

FABACEAE

Vicia hirsuta
2021 R.A. Chasey
Vicia hirsuta
2021 R.A. Chasey
Vicia hirsuta
2021 R.A. Chasey

Vicia sativa ssp. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
2020 Ken Lunders
Vicia sativa ssp. nigra
2020 Ron Vanderhoff
Vicia sativa ssp. nigra
2020 Ron Vanderhoff

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

Vulpia bromoides
2022 Diana Wahl
Vulpia bromoides
2021 Toni Corelli
Vulpia bromoides
2021 David popp